Engine-mounting.



F. H. ROYCE.

ENGINE MOUNTING.

APPLICATION FILED MAR. e. 1914.

11,120,243. 1 'Patented Dee. 8,1914.

FIG. l.

WITNESSES. INVENTOR Aff J3 EHRo/ce. (g-

, )ver Road, (lsmaston Road,

FREDERICK HENRY ROYCE, OF DERBY. ENGLAND.

ENGINE-MOUNTING.

Specification of Letters Patent.

Patented Dec. 8, 1914.

Application filed March 6, 1914. Serial No. 822,8Q2. i.

To all 'ia-fiom it may concern i llc it known that l, Ilnnnnnrox 4l-lnnmr Rotten, a subject of the King of Great Britain and ireland, residing at Nightingale Derby, in the county oi' Derby, England, have invented a .new and useful Improvement in Enginellionntings, ol.i which the following is a full and complete speciiication. i

This invention relates to an improved lmethod of mounting engines in or on the trames of motor vehicles, and it has for its object counteracting the effect oi the reaction of the engine on the frame and at the saule time preventing undue oscillation o'i the engine about its longitudinal axis. l attain. these objects by the mechanism illustrated in the accompanying drawing in 'which:-

`Figure 'l is a view in end elevation, partly in seotii'm, and Fig. Q .is a sectional view' ot' a suitable frictional damper.

Vin both views similar parts are 'marked with like letters of reference.

On arms cl formed on the'crank-clmmber (f. of the engine-on which are mounted the cylinders b---are pivoted by means oil pins c bell-crank levers arranged in two pairs .ii'icated 'fore and aft. As these pairs are eifactly similar' in construction and arrangement i have shown only one pair. One ot' `the arms c? of cach ot' the bell-crank levers is pivotcd to the side members of the 'frame oli' the vehicle so that it lies in an approximately horizontal plane, and the other arm c? of each. of the bell-crank levers lies in an approximately vertical plane. The arms c2 of each pair of bell'crank levers are coupled together by rods l and on said rods, between collars f' thereon and the sides of the cranio chamber c, are springs c which operate to lfcep the engine in a. vertical position and limit its movement in a. rotary direction within certain limits.

To prevent undue oscillation of the engine a ilrictional damper is introduced into one or more ot' the joints of the suspension mechanism at the points where the bellcrank levers are pivoted to the crank-chamber. Each of the arms o1 of said chamber terminates in an enlarged boss u, and the bell-crank lever is made in duplicate and has enlarged bosses c3 Yfor the pins c which are constructed and arranged to clamp the duplicate bell-crank lever to the boss a3 one on each' side thereof. 'lo increase the friction, frictional faces /L of liber or other suitable material are fixed on the 'faces of the enlargei'l boss a. by rivets or the like andia spring s is mounted on the pivot pin c so asto operate between the iace ol one part of the bell-crank lever and a washer held up by a nut c* screwed on the end ci? the pin c, whereby the friction between the parts can be adjusted as required.

It will be seen that before the engine can move in a rotary direction about its longitudinal axis, one or other of the springs e must be compressed, ,that said movement causes movement to take place between the friction faces L oi the boss a of the arm al of the crank-chambe' and the two parts of the bell-crank' lever, and that the friction set up at this point will prevent the engine 1ro, helling into :t state of oscillation due to the recoil oit' the springs controlling its rocking motion. i It will be obvious that the friction damper may be applied with equal eil'ect to any of the joints of the suspcnsory mechanism.

iVhat I claim as my invention, and desire to secure by Letters Patent is l. In a motor vehicle, the combination with the frame and the engine, of bell-crank lei ers pivoted at their angles or apices to the Crank-chambcr of the engine and arranged in pairs foro and a'l't ot said chambers-one arm oi each oi" Said levers being pivoted to one of the side members oi the iframe and the other arm of each .said lever being connected by a coupling rod to the corresporiding arm of the /oppositely arranged lever of each pair, o1 springs interposed and operating between the bell-crank levers andthe cranlechambcr `o1t` the engine, and of a frietional damper operating hetivcen one of the bell-crank levers and the eranlcchamber of the engine.

2. ln a motor vehicle, the combination with the lrame and the engine ol bell-crank levers pivoted at their angles ,or apices to the crank chamber' of the enginemsaid bellcrank levers being arranged in pairs fore and aft of said chamber and havin g one arm of each lever of one pairpivoted to one of the side members oil the Yframe and one arm of each lever ot' the other pair pivoted to the other side member oi. the frame the other arm of each lever oi" one pair being connected to the corresponding arm oi each lever of the other pair by coupling rods, of springs interposed and operating between the coupling roule and the crank-chamber of the engine, @mail of e ffitonal damper opemsing between one efthe bell-eranl levers and the crank-chamber of the engine.

3. ln. a motor Vehicle, the combination with the reme and the engine of bell-crank l levers pivoted at hef angles or apices 'to the crank-chamber of the engine and arranged impairs fore and aft of said cham oer-one arm of each of said levers being pivot/ed to one of the side members of the frame so that said arms lie in the horizontal plane and the other arms of each pair vof levers being connected by coupling rods 'to the corresponding arms of the opposite peil of levers so that seid arms .lie in the 'vertical plane, 01' springs nterposeei and operatlng between the eouplmg rods and the crank-chamber, of the engine, and of si, frietional demper operating between one of the bell-crank levers and the crank? chamber of the engine at one of the joinss by which said bell-crank lever is pivotecl lo Vifitnessesz C. oPPLnToN, MAURICE OLLEY. 

